Abstract
Randomly amplified polymorphic DNA (RAPD) markers were used to estimate intra- and interspecific variations in the genus Lens (lentil). Twenty cultivars of L. culinaris ssp. culinaris, including 11 microsperma (small-seeded) and nine macrosperma (large-seeded) types, and 16 wild relatives (four accessions each of L. culinaris ssp. orientalis, L. odemensis, L. nigricans and L. ervoides), were evaluated for genetic variability using a set of 40 random 10-mer primers. Fifty reproducibly scorable DNA bands were observed from ten of the primers, 90% of which were polymorphic. Genetic distances between each of the accessions were calculated from simple matching coefficients. A dendrogram showing genetic relationships between them was constructed by an unweighted pair-group method with arithmetical averages (UPGMA). This study revealed that (1) expect for L. ervoides, the level of intraspecific variation in cultivated lentil is lower than that in wild species, (2) L. culinaris ssp. orientalis is the most likely candidate for a progenitor of the cultivated species, and (3) microsperma and macrosperma cultivars were indistinguishable by the RAPD markers identified here.
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Abo-elwafa, A., Murai, K. & Shimada, T. Intra- and inter-specific variations in Lens revealed by RAPD markers. Theoret. Appl. Genetics 90, 335–340 (1995). https://doi.org/10.1007/BF00221974
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DOI: https://doi.org/10.1007/BF00221974